Diagnostic Trouble Code Troubleshooting Procedures - DTC P1723
In this manual: Diagnostic Trouble Code Troubleshooting Procedures - DTC P1723
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| DTC P1723: A/T Control Relay System | Possible Cause |
| If the A/T control relay voltage is less than 7 V after the ignition switch is turned to the "ON" position, it is determined that there is a short circuit or open circuit between the A/T control relay terminal and ground, and DTC P1723 is stored in the A/T control unit memory. The transmission enters fail-safe mode and is fixed in 3rd gear. | A/T control relay malfunction. Poor connection at the connector. A/T control unit malfunction. |

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